1. In a med nonstick saucepan, melt the margarine. Saute the garlic until fragrant, about 30 seconds. Whisk in the flour, then gradually whisk in the milk; cook stirring constantly until slighly thickened, about 2 minutes. Whisk in the cream cheese and Asiago; cook ustirring until smooth 1-2 minutes. Remove from the heat and cover to keep warm.
2. Meanwhile place the brocolli, bell pepper, carrot and celery ina steamer basket; set in a sucepan over 1" of boiling water. Cover and steam until tender-crisp, about 3 minutes
3. In large bowl combine the pasta and steamed vegetable, Add the cheese sauce -toss to coat throughly. Serve at once